August 16 population of Omsk and nearby towns found on the streets of white and gray sand odorless unknown nature. Residents reported the detection of substances in the agency "Emercom", the CPS and the MOE of the Omsk region, who had a series of examinations to identify the nature of an unknown substance. According to preliminary data, the samples taken were mere ashes. Research groups have argued that the substance could not be the product of the refinery.
However, the white substance, wrapped in Omsk, was non-toxic silica-alumina. Epidemiology of the Omsk region reported that the substance is harmless to the environment and is not harmful to health. Levels of a substance meets safety standards, ensuring healthy living conditions. Hazardous components were detected in any samples of air or in soil samples.
Aluminosilicates are a group of natural and synthetic silicates. They consist of minerals of aluminum, silicon and oxygen. They are a major component of kaolin and other clays. Aluminosilicate non-toxic and is used in many industries.